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Home >> Jaguar >> 2019 >> XF S >> Repair and Diagnosis >> External Pages >> Different car >> Section 253 (Engine - V8 S/C 5.0L Petrol -- XE/(760)) >> Engine - V8 S/C 5.0L Petrol, Project 8 (G2261898) >> Removal And Installation >> Valves (G2244096) >> Removal

Valves (G2244096): Removal

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  1. Refer to: STARTUP BATTERY DISCONNECT AND CONNECT .
  2. WARNING: Do not work on or under a vehicle supported only by a jack. Always support the vehicle on safety stands.

    Raise and support the vehicle.

    Refer to: LIFTING .

  3. Refer to: LEFT CYLINDER HEAD .

    Refer to: RIGHT CYLINDER HEAD .

  4. G11285375Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
  5. G11285376Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
  6. G11285377Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
  7. CAUTION:
    • Make sure that the area around the component is clean and free of foreign material.
    • Make sure the working surfaces are thoroughly clean to avoid contamination of the sensitive components.
    • Make sure that the valve grinding paste is kept away from the valve stem.
    G11285378Courtesy of JAGUAR LAND ROVER NORTH AMERICA, LLC
    • Place a small amount of fine valve grinding paste evenly around the contact face of the valve.
    • Place the valve in position and, using a suitable valve grinding tool, rotate the valve back and forth a few degrees on its seat, using light pressure.
    • Raise the valve frequently during lapping and turn it into a new position after a few laps or rotations.
    • Lap only until a continuous but narrow lapping mark is visible on both the valve seat and valve face.
    • Thoroughly clean all surfaces to remove traces of valve grinding paste from the cylinder head, valve seat and valve face.
    • Repeat steps  5 to 8 for the remaining valves.